Temporal queries involving business time are also easy to write-and you need only include FOR BUSINESS_TIME in the FROM clause.

涉及业务时间的时态查询也很容易编写，您仅需要在from子句中包含FOR BUSINESS_TIME。

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You can enable versioning of the temporal table by using the ALTER table command with the ADD versioning clause and specifying the history table name in the use history table clause (see Listing 3).

您可以使用ALTERTABLE命令和ADDversioning子句，并在USEHISTORY table子句中指定历史表名称，为时态表启用版本控制(参见清单3)。

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At the clause stratum, a locative prepositional phrase functions to foreground the temporal location as a marked theme while it functions to background the spatial location.

在小句层面，处所介词短语把时间处所前景化为有标记主位，而把空间处所背景化。

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At the clause stratum, a locative prepositional phrase functions to foreground the temporal location as a marked theme while it functions to background the spatial location.

在小句层面，处所介词短语把时间处所前景化为有标记主位，而把空间处所背景化。

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